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Test Code LAB2307 Prostate-Specific Kallikrein, 4Kscore (ARUP)

Important Note

Use to stratify the risk of aggressive prostate cancer in individuals 45 years or older with elevated prostate-specific antigen (PSA) for whom biopsy is being considered. This test should not be ordered if (1) prostate cancer was previously diagnosed; (2) digital rectal exam was performed within the last 4 days; (3) any procedure or therapy was used to treat symptomatic benign prostatic hyperplasia (BPH) within the past 6 months; (4) any invasive, urologic procedure that may be associated with a secondary PSA evaluation was performed within the past 6 months; (5) 5-alpha reductase inhibitor (5-ARI) therapy, such as Avodart (dutasteride) or Proscar (finasteride), was administered within the past 6 months.

Collection:

COLLECTOR INFORMATION:
Preferred container(s): SST DRAW THREE 5.0 mL SST TUBES
Collection Volume: 15.0 mL (10.0 mL)
 

Storage Instructions:

On-campus collections: Tube to 99 or deliver to University Extension Hospital Room EH318 
Send in plastic vial, Frozen
Off-campus collections: 
Centrifuge and aliquot within 2 hours.
Specimen to be stored/transported Frozen

REJECT DUE TO: 
Ambient specimens unacceptable